I had my Mk 2 serviced (new seals and felt scraper) by Checkmate Guns in September. Chrono tests showed 380fps average. This was with an 8 grain JSB.
I had my Mk 2 serviced (new seals and felt scraper) by Checkmate Guns in September. Chrono tests showed 380fps average. This was with an 8 grain JSB.
Last edited by Inspector 71; 22-11-2015 at 04:06 PM.